Software for low energy trajectory design of libration point missions is developed.
研制了具有自主知识产权的平动点任务节能轨道设计软件。
Especially, the author researches the coupling libration of water and dam detailedly.
特别对库水与坝体耦合振动问题进行了详细的阐述。
The particles of slag powder processed by libration mill were mostly in ball and its surface was the most smooth.
振动磨所加工的矿粉颗粒大多呈圆形，表面最光滑。
This paper analyzes some kinds of methods for voltage reference self-ca libration system and explains them one by one.
对几种电压标准自校系统方法进行了分析探讨，并对它们逐个作了研究说明。
In this dissertation, low energy trajectory design and optimization for collinear libration point missions is studied.
本文对共线平动点任务节能轨道设计与优化进行了研究。
Varying regularity of libration period on overweighted compound pendulum was obtained by theoretical reasoning? Research and analysis.
通过理论推导、研究和分析，得出了加配重复摆振动周期的变化规律。
Libration point orbits have the important applications in deep space exploration, and have been paid more attentions from all over the world.
平动点轨道在深空探测领域具有重要的应用价值，引起了国内外航天界的密切关注。
Through optimizing design to fulfill strong steel structure, and to ensure the machine weaving abb with high speed, strong power and small libration.
通过优化设计而实现的高钢性机架构造，保证了织机高速、强劲、低振动的稳定打纬。
The concept of controlling electrical machinery libration and noises in the process of electrical machinery maintenance is first presented in the paper.
本文第一次提出了电机维修过程中也应控制电机振动及噪声的概念。
The libration characteristic of the commercial engine parts is in great importance because of the libration and noise in the idle Speed and working process.
商用车发动机在怠速和工作中会产生较大的振动和噪声，分析其相关零部件的振动特性就显得尤为重要。
Orbits of this type can be positioned near collinear libration points, and for simplicity it is adequate to take linear terms into consideration in the control process.
这种类型的轨道可以离共线平动点较近，那么只需要在控制过程中考虑线性项即可，控制条件简单。
First carry on the self libration analysis to the bridge, use spatial four nodes elastic shell element SHELL63 and spatial two nodes elastic beam element BEAM44 to model the bridge.
首先对大桥进行自振特性分析，分别采用空间四节点弹性壳单元SHELL63和空间二节点弹性梁单元BEAM 44单元进行建模。
First carry on the self libration analysis to the bridge, use spatial four nodes elastic shell element SHELL63 and spatial two nodes elastic beam element BEAM44 to model the bridge.
首先对大桥进行自振特性分析，分别采用空间四节点弹性壳单元SHELL63和空间二节点弹性梁单元BEAM 44单元进行建模。
应用推荐